Perhaps I am not alone in noting that it takes quite a long time for projects to close? Sometimes it takes as 45 seconds or longer. In fact, there is a general sluggishness. My PC is loaded with 16GB of RAM.
Well…is it opening time or closing time? (Your subject conflicts with your text)
I find opening takes a heck of a long time…closing doesn’t seem to be an issue, but this has pretty much always been true with any versions of Cubase I’ve used.
I find that saving takes a bit longer… Anoying